Here is the opinion in Great Plains Lending LLC v. State of Conn. Dept. of Banking:
Connecticut SCT Opinion
Here are the materials in Lewis v. Clarke (Conn.):
Ct SCT Opinion
Here is Connecticut. Lots of cases featuring non-federally recognized tribes, so those claims are going to have a rough time.
In Connecticut, tribal interests prevail in 38 percent of cases.
Here are the cases:
According to Indianz, the Mohegan Tribe settled this matter (VanStaen-Holland v. Lavigne), which was to be argued before the Connecticut Supreme Court today.
Some of the briefs are available, and worth reading:
Connecticut Amicus Brief